IMPORTANT: The advice in these notes is provided by members and others. It is given in good faith but neither the contributors nor the Society can endorse or guarantee the accuracy or safety of the information. The society does not recommend or guarantee any individual or organisation named.

Treatment techniques described may not be suitable for items of high or historical value. Users should always test first on a small inconspicuous area; observe safety and health guidelines given by suppliers, and dispose of used materials responsibly. The Society does not endorse or guarantee any proprietary products named (and it recognises that other products may be suitable). If in any doubt, expert advice should be obtained.